The Double Glazed Repair Awards: The Top, Worst, Or Strangest Things We've Ever Seen

· 5 min read
The Double Glazed Repair Awards: The Top, Worst, Or Strangest Things We've Ever Seen

How to Deal With Double Glazed Repair

It's a good idea to have your double-glazed windows inspected frequently, particularly if you find that the frames are expanding or contracting. This will decrease the chance of draughts.

If you notice condensation between the panes, this indicates that the seal is failing and needs to be replaced. Replacing the seal will not only reduce condensation, but it will also help to reduce the cost of energy.

Cracked or Broken Panes

Double glazing is not indestructible. It can experience defects that could decrease the energy efficiency. Repairing double-glazing is a relatively simple process however, you'll need the right tools and knowledge to do it correctly. It is recommended to hire a professional company to complete the task instead of attempting it yourself.

The most common issue that occurs with double-glazed windows is a cracked or broken pane. A knock or blow from outside can cause this, as can attempts to open a stuck-closed window. The glass might crack or break into small pieces, depending on the size of the crack and the force that is applied to it.

Repairing double-glazed glass that is susceptible to cracking with the help of special tape or putty. This will stop the crack from spreading or becoming worse and it will block any moisture, wind or other elements from entering the home through the cracks.

Another problem that is frequently encountered is condensation in double-glazed windows. This is typically caused by a damaged window seal. It is a common occurrence that is caused by weather and temperature changes. Before attempting to repair your windows, you should determine if they are covered by the warranty.

It's usually covered by the company who supplied you with your double glazing, so it is important to contact them quickly and clearly explain the issue. This is best done in writing, rather than by text or phone. Always keep a copy.

If you're interested in trying to fix and repair a misted window yourself, a common method involves drilling an opening in the centre of the affected pane. The desiccant absorbs any moisture and will help solve the issue. This is only a temporary fix and it is recommended that you replace your double-glazed units with new ones as soon as is possible.

Misty Panes

Double-glazed windows that mist up can be a huge nuisance and cause major disruptions in your home. If you can pinpoint the issue it's easy to repair. In most cases the cause of the problem is a failure of the seals between your window panes that allow moisture to enter. This could be caused by poor installation, drainage issues or even faulty seals from the window manufacturer.

Standard sealed units consist of two glass panes that have an open spacer bar sandwiched between them (shown in the image above). The face of the bar is perforated, and the bars that are used as spacers are filled with a desiccant that is used to absorb any moisture that gets into the unit. The two glass panes then be sealed together, and the entire unit will be injected with gas in order to increase its thermal efficiency.

As you can see, if the sealed unit fails, moisture could get in between the panes and cause condensation and mist. This could also cause heat to escape from your property, which can result in a significant amount of money being lost due to energy bills.

Repairing a misted glass is a challenging task that shouldn't be attempted by anyone who isn't well-versed in the glazing and construction industries. If you're willing to take on the challenge then it is possible to fix the misted seal by adding moisture absorbing desiccant back into the gap between the glass panes.

Keep in mind that this is only a temporary fix and the condensation might be back. The process will have to be repeated. It is much more effective to replace the misty unit. It is also quicker and more clean. Replacements will restore the original insulation of your property it is not possible through a repair. We suggest getting in touch with a reputable double-glazing company if you're having trouble with condensation or misty windows. In the meantime, you can try keeping your windows as dry as possible by ensuring they're properly ventilated and being cleaned regularly.

Water Leaks

No matter if they are brand new or old, double-glazed windows must not leak. Leaking windows are not only an inconvenience but can cause serious damage to your home including the development of mold and structural damage, as well as increased heating and cooling costs. If you suspect that your windows are leaking you should contact a professional window repair service as soon as possible to get the issue fixed.

Window leaks are usually indications of a problem with the seals between panes of glass. If you notice condensation between the panes, it's a sure sign that the window seal has been damaged and that water is leaking into the insulation gap between the glass. While some condensation is normal, if it continues to grow and is visible on the exterior or interior of your home, it's time to get a repair service in.

Another cause of leaks is the accumulation of water on the bottom frame of your window. This can be a sign of clogged drainage holes, improper flashing or a sloped sill. A clogged drainage hole is easy to fix by using a coat hanger wire to remove the gunk. Improper flashing is also easy to fix by using roofing caulk to fill the gaps around the frame. If the window sill slopes to one side it may be due to an incorrect pitch.  double glazing repairs  will be able determine the root of the problem and provide an affordable and quick solution.

It is not unusual for UPVC windows that are older to leak or break. However it is much more cost-effective and efficient to use a double glazing repair service. They can restore your windows' appearance and functionality to what they were when they first came out. They can also replace hinges, handles, and locks if required. Professional window repair firms will give you a guarantee on their work. You would not get this if you attempted to repair windows on your own.

Difficulty of Opening

If you notice that your windows are getting harder to open, you should contact the company from which you purchased the windows. In most cases, a simple repair can resolve the issue. If the problem persists it is possible to consider replacing your old windows with newer ones. Double-glazed windows are available with modern features that keep your home warm and secure, including slimline uPVC or aluminium frames and advanced insulation to prevent the heat from escape, and sophisticated security hardware that keep out intruders.

Another common sign that your double glazing requires repairs is condensation between the glass panes. This is caused by an issue with the seals that connect the two panes. Inert gases are supposed to escape between the two panes of glass and be replaced by moist air. This will keep your windows in a breathable state and be energy efficient. If this doesn't happen, then the seals could have deteriorated over time due to changes in weather or other elements.

A draft that is coming from a double-glazed window can also indicate that the seals are failing which means cold air is coming in to your home. This could also result in higher energy costs, since your heating will have to be more efficient to keep the temperature of your home stable.


In some instances, a draught may be resolved by lubricating hinges, handles, or mechanisms on your double-glazed doors or windows. It is crucial to note that this is a temporary solution, and you'll be required to consult with a professional in the event that the issue continues to persist.

To prevent condensation, you can put in ventilation in your windows and door for reducing condensation, such as extractors or air bricks. It is also important to allow double-glazed doors and windows to  breathe by leaving them open as much as feasible, which can be achieved with trickle vents.